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From:
State of the Planet
(Uncensored)
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How Sustainable Are Reusable Cups? A New Tool Aims to Find Out
https://news.climate.columbia.edu/2025/09/30/how-sustainable-are-reusable-cups-a-new-tool-aims-to-find-out/
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Columbia Climate School and Closed Loop Partners developed a novel impact assessment tool to calculate the carbon emissions and cost implications of a wide range of single-use and reusable packaging designs.